Finding the Fourth Proportional to 8,167.61, 12,235.98 and 4,825.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,167.61 : 12,235.98 = 4,825.89 : x
2. Step 2: Convert to fraction form
   8,167.61/12,235.98 = 4,825.89/x
3. Step 3: Cross multiply
   8,167.61x = 12,235.98 × 4,825.89
4. Step 4: Simplify right side
   8,167.61x = 59,049,493.52
5. Step 5: Solve for x
   x = 59,049,493.52/8,167.61
6. Step 6: Final answer
   x = 7,229.72